Meaning of weak in English
She is weak from illness.
The illness had left her too weak to move or speak.
2. easily damaged or broken under pressure or strain; fragile
The bridge was too weak to carry the heavy lorry.
3. lacking physical strength; frail or feeble
weak eyes[sight]
weak hearing
4. lacking in spirit or courage and easily frightened or upset; timid
He is a weak character.
5. lacking in resolution and easy to be persuaded by other people; irresolute
She is a weak character.
6. lacking in intelligence or mental power; slow to understand
a weak mind
He is weak[soft] in the head.
7. lacking power or influence; easily defeated or overthrown
a weak government
a weak team
I'm weak in mathematics. ー Mathematics is my weak subject.
9. lacking taste or flavor; flat or thin
a weak coffee[tea]
It tastes a little weak, so I think you had better add a pinch of salt.
10. lacking brightness; not giving or having much light
The light from the moon is weak.